Managed XDR

utf-8-b-vevmrvggq09tvt...rfyrml80mokamuhdlmvtba — malware analysis report

File info

Filename
utf-8-b-vevmrvggq09tvtyzodqynzyyodmzifvuukjtvdi1mduxnjg1ifrbtlhnmjaynta1mjiglcaxxziw4oczrfyrml80mokamuhdlmvtba
File type
RFC 822 mail, UTF-8 Unicode text, with CRLF line terminators
File size
103 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
c98b2a1ba99223d828d5a00bf07381f1025cf450
SHA256
5b7aabfe7840fa21be747fbed8589999d0422e5003568fb45c7ebaf69c06c1b7
MD5
17d776048e8133aad20701a6353170e5

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Privilege Escalation

T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1112 creates_largekey: Saves very large data in the registry, can be used to save the configuration or body of the malware
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1562 registry_hide_tracing: Modifies File/Console tracing settings (often used to hide iocs from the system)
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1071.001 network_http: Performs HTTP requests

Other

dead_dotnet_downloader_404: Dotnet downloader attempts to connect to a dead host
no_graphical_activity: No graphic activity
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
yara_rules: Static rules
dotnet_suspicious_module_name: Dotnet program has suspicious module name